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Fix template rendering to ignore template if not in query

pull/10616/head
Chris Goller 2017-12-11 09:49:24 -06:00 committed by Luke Morris
parent 98049f016c
commit 7d50711345
2 changed files with 89 additions and 15 deletions
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6
influx/templates.go
View File

@ -38,6 +38,12 @@ func RenderTemplate(query string, t chronograf.TemplateVar, now time.Time) (stri
if len(t.Values) == 0 {
return query, nil
}
// we only need to render the template if the template exists in the query
if !strings.Contains(query, t.Var) {
return query, nil
}
switch t.Values[0].Type {
case "tagKey", "fieldKey", "measurement", "database":
return strings.Replace(query, t.Var, `"`+t.Values[0].Value+`"`, -1), nil

98
influx/templates_test.go
View File

@ -62,10 +62,10 @@ func TestTemplateReplace(t *testing.T) {
},
{
name: "select with parameters and aggregates",
query: `SELECT mean($field) FROM "cpu" WHERE $tag = $value GROUP BY $tag`,
query: `SELECT mean(:field:) FROM "cpu" WHERE :tag: = :value: GROUP BY :tag:`,
vars: []chronograf.TemplateVar{
chronograf.TemplateVar{
Var: "$value",
Var: ":value:",
Values: []chronograf.TemplateValue{
{
Type: "tagValue",
@ -74,7 +74,7 @@ func TestTemplateReplace(t *testing.T) {
},
},
chronograf.TemplateVar{
Var: "$tag",
Var: ":tag:",
Values: []chronograf.TemplateValue{
{
Type: "tagKey",
@ -83,7 +83,7 @@ func TestTemplateReplace(t *testing.T) {
},
},
chronograf.TemplateVar{
Var: "$field",
Var: ":field:",
Values: []chronograf.TemplateValue{
{
Type: "fieldKey",
@ -96,25 +96,25 @@ func TestTemplateReplace(t *testing.T) {
},
{
name: "Non-existant parameters",
query: `SELECT $field FROM "cpu"`,
want: `SELECT $field FROM "cpu"`,
query: `SELECT :field: FROM "cpu"`,
want: `SELECT :field: FROM "cpu"`,
},
{
name: "var without a value",
query: `SELECT $field FROM "cpu"`,
query: `SELECT :field: FROM "cpu"`,
vars: []chronograf.TemplateVar{
chronograf.TemplateVar{
Var: "$field",
Var: ":field:",
},
},
want: `SELECT $field FROM "cpu"`,
want: `SELECT :field: FROM "cpu"`,
},
{
name: "var with unknown type",
query: `SELECT $field FROM "cpu"`,
query: `SELECT :field: FROM "cpu"`,
vars: []chronograf.TemplateVar{
chronograf.TemplateVar{
Var: "$field",
Var: ":field:",
Values: []chronograf.TemplateValue{
{
Type: "who knows?",
@ -123,7 +123,7 @@ func TestTemplateReplace(t *testing.T) {
},
},
},
want: `SELECT $field FROM "cpu"`,
want: `SELECT :field: FROM "cpu"`,
},
{
name: "auto group by",
@ -224,6 +224,71 @@ func TestTemplateReplace(t *testing.T) {
},
want: `SELECT mean(usage_idle) FROM "cpu" WHERE time > now() - 1h GROUP BY time(93s)`,
},
{
name: "no template variables specified",
query: `SELECT mean(usage_idle) FROM "cpu" WHERE time > :dashboardTime: GROUP BY :interval:`,
want: `SELECT mean(usage_idle) FROM "cpu" WHERE time > :dashboardTime: GROUP BY :interval:`,
},
{
name: "auto group by failing condition",
query: `SELECT mean(usage_idle) FROM "cpu" WHERE time > :dashboardTime: GROUP BY :interval:`,
vars: []chronograf.TemplateVar{
{
Var: ":interval:",
Values: []chronograf.TemplateValue{
{
Value: "115",
Type: "resolution",
},
{
Value: "3",
Type: "pointsPerPixel",
},
},
},
{
Var: ":dashboardTime:",
Values: []chronograf.TemplateValue{
{
Value: "now() - 1h",
Type: "constant",
Selected: true,
},
},
},
},
want: `SELECT mean(usage_idle) FROM "cpu" WHERE time > now() - 1h GROUP BY time(93s)`,
},
{
name: "query with no template variables contained should return query",
query: `SHOW DATABASES`,
vars: []chronograf.TemplateVar{
{
Var: ":interval:",
Values: []chronograf.TemplateValue{
{
Value: "115",
Type: "resolution",
},
{
Value: "3",
Type: "pointsPerPixel",
},
},
},
{
Var: ":dashboardTime:",
Values: []chronograf.TemplateValue{
{
Value: "now() - 1h",
Type: "constant",
Selected: true,
},
},
},
},
want: `SHOW DATABASES`,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
@ -392,11 +457,16 @@ func Test_RenderTemplate(t *testing.T) {
want: "SELECT mean(usage_idle) FROM cpu WHERE time > '1985-10-25T00:01:00Z' and time < '1985-10-25T00:02:00Z' GROUP BY time(179ms)",
},
{
name: "absolute time with nano seconds and zero duraiton",
name: "absolute time with nano seconds and zero duration",
query: "SELECT mean(usage_idle) FROM cpu WHERE time > '2017-07-24T15:33:42.994Z' and time < '2017-07-24T15:33:42.994Z' GROUP BY :interval:",
resolution: 1000,
want: "SELECT mean(usage_idle) FROM cpu WHERE time > '2017-07-24T15:33:42.994Z' and time < '2017-07-24T15:33:42.994Z' GROUP BY time(1ms)",
},
{
name: "query should be returned if there are no template variables",
query: "SHOW DATABASES",
want: "SHOW DATABASES",
},
}
for _, tt := range gbvTests {
@ -426,5 +496,3 @@ func Test_RenderTemplate(t *testing.T) {
})
}
}
// SELECT mean("numSeries") AS "mean_numSeries" FROM "_internal"."monitor"."database" WHERE time > now() - 1h GROUP BY :interval: FILL(null);SELECT mean("numSeries") AS "mean_numSeries_shifted__1__h" FROM "_internal"."monitor"."database" WHERE time > now() - 1h - 1h AND time < now() - 1h GROUP BY :interval: FILL(null)